How Flightradar24 became the go-to platform for the world to watch global aviation crises unfold

The Swedish flight tracking tool, spun out of a price comparison portal, is tracking the travel chaos sparked by the US-Israel war on Iran in real time

Mikael Robertsson and Olov Lindberg did not set out to build one of the pre-eminent monitors of global airspace. In a bid to draw more eyes to their Swedish flight price comparison portal, the entrepreneurs added a page charting air traffic.